Long Tube Headers for 70-81 GM F/A Body 396-502 BBC 1-7/8in Primary D316
Long Tube Headers for 70-81 GM F/A Body 396-502 BBC 1-7/8in Primary D316 is backordered and will ship as soon as it is back in stock.
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Fitment
Fitment
Warranty Information
Warranty Information
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Description
Description
Overview:
70-81 GM F & A Body BBC Long Tube Silver
Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market. This fitment is tailored for popular aftermarket engine swap kits. Doug's engine swap headers were developed to solve common fitment issues in tight spaces, making your swap process smoother. No more guesswork or modifications needed - just straightforward installations that save you time and frustration.
Features:
- 3/8" Thick machined flanges to prevent warping
- Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
- Heavy duty 16-gauge tubing for long life
- Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating
Specs:
- Brand: Doug's Headers
- Collector Attachment: 3-Bolt Flange
- Collector Diameter: 3.5 IN
- Collector Port Diameter: 3.5 IN
- Color: Silver
- Cylinder Head Port Shape: SAP
- Design: Full-length
- EGT Port: No
- Finish: Metallic Ceramic Coated
- Flange Thickness: 0.375 IN
- Gasket Or Seal Included: Yes
- Gaskets Included: Yes
- Grade Type: Performance
- Header Material: Steel
- Header Style: Full-length
- Material: Steel
- Mounting Hardware Included: Yes
- Oxygen Sensor Port: No
- Port Shape: Round
- Primary Tube Outside Diameter: 1.875 IN
- Primary Tubing Diameter: 1.875 IN
- Prop 65 (C, R or CR): CR
- Prop 65 Yes/No: Yes
- Sheen Level: Semi-Gloss
- Title: Doug's Long Tube Header 70-81 GM F & A Body 396-502 BBC 1 7/8" Primary 3 1/2" Collector Silver Ceramic Coated D316
- Tube Wall Thickness: 16 GU
- Part Number: D316
Applications:
- 1968-1970 Chevrolet Chevelle 396 CID
- 1970-1973 Chevrolet Chevelle 454 CID
- 1970-1972 Chevrolet Chevelle 402 CID
- 1970-1972 Chevrolet Camaro 402 CID
- 1968-1970 Chevrolet El Camino 396 CID
- 1970-1975 Chevrolet El Camino 454 CID
- 1970-1972 Chevrolet El Camino 402 CID
- 1973-1975 Chevrolet Malibu 454 CID
Emissions:
- This Product is LEGAL for Closed Course Competition use or Pre-Emissions Controlled Vehicles ONLY. It is Not Legal for use on any Emissions Controlled Vehicle for Street or Off Highway use.
Instructions:
Fitment Notes:
- Big block frame stands and motor mounts required for proper fit.
- For use with 396-502 Big Block Chevrolet Engine Swap
Payment & Security
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